Free inverse monoids are not $FP_2$
| Autor: | Gray, Robert D., Steinberg, Benjamin |
|---|---|
| Rok vydání: | 2020 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| Popis: | We give a topological proof that a free inverse monoid on one or more generators is neither of type left-$FP_2$ nor right-$FP_2$. This strengthens a classical result of Schein that such monoids are not finitely presented as monoids. Comment: 5 pages, 1 figure, This article was originally part of our paper arXiv:1805.03413, and has now been extracted as this short note |
| Databáze: | arXiv |
| Externí odkaz: |
|